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by Nevada-Smith 2241 days ago
> (seems they have high temp advantages over LCDs)

According to Wikipedia [1], it's their low temperature advantage: "...unlike LCDs, VFDs are not limited by the response time of rearranging liquid crystals and are thus able to function normally in cold, even sub-zero, temperatures, making them ideal for outdoor devices in cold climates."

[1] https://en.wikipedia.org/wiki/Vacuum_fluorescent_display